Stein Clint bought COLB

March 13, 2026 · Form 4 insider transaction

Stein Clint bought 18,171 shares of Columbia Banking System, Inc. at $26.23 per share, a transaction worth $476.6K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 4 days after the transaction.

Direction
Acquired (buy-side)
Shares
18,171
Price
$26.23
Total value
$476.6K
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateMarch 13, 2026
Filing dateMarch 17, 2026
Shares owned after158,735
OwnershipDirect
10b5-1 planNo
AmendedNo
View the original Form 4 on SEC EDGAR